From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B2FC0C433F5 for ; Mon, 10 Jan 2022 20:17:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343501AbiAJURb (ORCPT ); Mon, 10 Jan 2022 15:17:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343495AbiAJURa (ORCPT ); Mon, 10 Jan 2022 15:17:30 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8297FC06173F; Mon, 10 Jan 2022 12:17:30 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 24CF2B817DF; Mon, 10 Jan 2022 20:17:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 89667C36AE3; Mon, 10 Jan 2022 20:17:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1641845847; bh=haEY0C1SN2sxYLnvN4gWAdwA9uqWggl6S7CaFqcIWFQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=VlhwpIkNWseAn6Wy80qEd1vQTL8VMytbrdkQ5dLzRkI2p9QspnUgncvdr0mUI0HLY RbMi+cK5rHm7U3Ui3jb3DvxFSz98sxQNqXL+/x+W3ocXg/OBPe6lsXDq5+MtmG6Lxq Wrp1d2ZYTQ1sr7SVbAA97RKnJxwjKe9/ANzpPb2WOS7OFHEtVCX6i1IDKAF8BtJSJ5 g+JDqewpi41rsv9E40evlH895LtuMJAiYS1G4cx55l0W1tq78R21qsvGFs4MEP7D0o AnhUmbO4gakIzehySI0I0Xdx/FkWvG1OjiZjAaVW8glq71c0tfwYTehcjB2nyVg08t FiJRby06bqkNA== Received: by quaco.ghostprotocols.net (Postfix, from userid 1000) id 7B0D140714; Mon, 10 Jan 2022 17:17:25 -0300 (-03) Date: Mon, 10 Jan 2022 17:17:25 -0300 From: Arnaldo Carvalho de Melo To: Ian Rogers Cc: Andi Kleen , Jiri Olsa , Namhyung Kim , John Garry , Kajol Jain , "Paul A . Clarke" , Riccardo Mancini , Kan Liang , Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Vineet Singh , James Clark , Mathieu Poirier , Suzuki K Poulose , Mike Leach , Leo Yan , coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, zhengjun.xing@intel.com, eranian@google.com Subject: Re: [PATCH v4 00/48] Refactor perf cpumap Message-ID: References: <20220105061351.120843-1-irogers@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20220105061351.120843-1-irogers@google.com> X-Url: http://acmel.wordpress.com Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org Em Tue, Jan 04, 2022 at 10:13:03PM -0800, Ian Rogers escreveu: > Perf cpu map has various functions where a cpumap and index are passed > in order to load the cpu. A problem with this is that the wrong index > may be passed for the cpumap, causing problems like aggregation on the > wrong CPU: > https://lore.kernel.org/lkml/20211204023409.969668-1-irogers@google.com/ > > This patch set refactors the cpu map API, reducing it and explicitly > passing the cpu (rather than the pair) to functions that need > it. Comments are added at the same time. Changes modify the same > file/function more than once as refactoring and fixes are broken apart > for the sake of bisection. > > v2. Incorproates fixes suggested Jiri Olsa, rewrites the evlist CPU > iterator in part in a way suggested by Riccardo Mancini. The new > fixes start at patch 23. The final change was suggested by John > Garry to make the CPUs have their own struct wrapper. > > v3. Incorporates fixes suggested by Namhyung Kim. > > v4. Rebases and incorporates fixes suggested by Jiri Olsa. Did fixes in places where BUILD_BPF_SKEL=1 was failing, now, at the end of the series: ⬢[acme@toolbox perf]$ git log --oneline -1 ; time make -C tools/perf build-test 462aafa8fcbdc78f (HEAD -> perf/core) perf cpumap: Give CPUs their own type make: Entering directory '/var/home/acme/git/perf/tools/perf' - tarpkg: ./tests/perf-targz-src-pkg . make_static: cd . && make LDFLAGS=-static NO_PERF_READ_VDSO32=1 NO_PERF_READ_VDSOX32=1 NO_JVMTI=1 -j32 DESTDIR=/tmp/tmp.lFrqVcqiRY make_with_gtk2: cd . && make GTK2=1 -j32 DESTDIR=/tmp/tmp.KvHmTqUGmD - /var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP: cd . && make FEATURE_DUMP_COPY=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP feature-dump cd . && make FEATURE_DUMP_COPY=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP feature-dump make_no_libelf_O: cd . && make NO_LIBELF=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.xz3LYy7WpA DESTDIR=/tmp/tmp.zVjIMpvQMM make_no_libbpf_DEBUG_O: cd . && make NO_LIBBPF=1 DEBUG=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.0gxAOSjb1j DESTDIR=/tmp/tmp.kYTk1WjWWz make_no_libaudit_O: cd . && make NO_LIBAUDIT=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.6hArTG9Dth DESTDIR=/tmp/tmp.hCNdYeDRCr make_no_backtrace_O: cd . && make NO_BACKTRACE=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.VtoPI58z3t DESTDIR=/tmp/tmp.SYyBBMSHSL make_no_libcrypto_O: cd . && make NO_LIBCRYPTO=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.SO1qtxJwvE DESTDIR=/tmp/tmp.AqrPw1oZfx make_with_clangllvm_O: cd . && make LIBCLANGLLVM=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.G9KVEaDv2B DESTDIR=/tmp/tmp.6CSqj0wPqJ make_with_coresight_O: cd . && make CORESIGHT=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.PnVTJNHy1E DESTDIR=/tmp/tmp.k7Arerg778 make_no_libpython_O: cd . && make NO_LIBPYTHON=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.cKjvFagVL3 DESTDIR=/tmp/tmp.aCaD0hbP3O make_no_sdt_O: cd . && make NO_SDT=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.EKoWnoZtl4 DESTDIR=/tmp/tmp.1gGYetcptB make_libbpf_dynamic_O: cd . && make LIBBPF_DYNAMIC=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.Nked5O10EK DESTDIR=/tmp/tmp.eo6YAEOfZO make_minimal_O: cd . && make NO_LIBPERL=1 NO_LIBPYTHON=1 NO_NEWT=1 NO_GTK2=1 NO_DEMANGLE=1 NO_LIBELF=1 NO_LIBUNWIND=1 NO_BACKTRACE=1 NO_LIBNUMA=1 NO_LIBAUDIT=1 NO_LIBBIONIC=1 NO_LIBDW_DWARF_UNWIND=1 NO_AUXTRACE=1 NO_LIBBPF=1 NO_LIBCRYPTO=1 NO_SDT=1 NO_JVMTI=1 NO_LIBZSTD=1 NO_LIBCAP=1 NO_SYSCALL_TABLE=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.Z6dSqYBXfU DESTDIR=/tmp/tmp.Y4iRu634of make_install_prefix_slash_O: cd . && make install prefix=/tmp/krava/ FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.BgipDyNu70 DESTDIR=/tmp/tmp.pOwrdDYBqf make_util_pmu_bison_o_O: cd . && make util/pmu-bison.o FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.XeO82Ajmv6 DESTDIR=/tmp/tmp.dxQKNNBM6W make_install_O: cd . && make install FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.KuCyqzLwnA DESTDIR=/tmp/tmp.KYvqoiOKzW make_install_prefix_O: cd . && make install prefix=/tmp/krava FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.rJNNPELdri DESTDIR=/tmp/tmp.g52i9CcmnU make_install_bin_O: cd . && make install-bin FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.i118vbQuo0 DESTDIR=/tmp/tmp.90tKcjOWD8 make_perf_o_O: cd . && make perf.o FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.kEZMTvh3wf DESTDIR=/tmp/tmp.JYvQLdkPsp make_no_slang_O: cd . && make NO_SLANG=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.WDNGH0DpdW DESTDIR=/tmp/tmp.Zfa804wClJ make_no_ui_O: cd . && make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.P4nTBNqkP4 DESTDIR=/tmp/tmp.iCLqOyrh4o make_no_newt_O: cd . && make NO_NEWT=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.EdjjHoqODV DESTDIR=/tmp/tmp.jKfYRizWtm make_with_libpfm4_O: cd . && make LIBPFM4=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.r3hPAOgfId DESTDIR=/tmp/tmp.GvMmEZUc2B make_no_demangle_O: cd . && make NO_DEMANGLE=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.wG9f40LzG3 DESTDIR=/tmp/tmp.i76sPjSg1m make_no_libunwind_O: cd . && make NO_LIBUNWIND=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.SmFfmmB9KQ DESTDIR=/tmp/tmp.9tjMdCWMxG make_no_libbpf_O: cd . && make NO_LIBBPF=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.7jH21oP9n7 DESTDIR=/tmp/tmp.taUqTgY37S make_no_syscall_tbl_O: cd . && make NO_SYSCALL_TABLE=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.L2v7vi1AQl DESTDIR=/tmp/tmp.wHEA4jEpw9 make_no_libnuma_O: cd . && make NO_LIBNUMA=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.9N5pQYuRbO DESTDIR=/tmp/tmp.B0Yptb7xP6 make_util_map_o_O: cd . && make util/map.o FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.B8oe4jnWwB DESTDIR=/tmp/tmp.m0APlsli14 make_with_babeltrace_O: cd . && make LIBBABELTRACE=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.3G1kLTJLJx DESTDIR=/tmp/tmp.ahuDENSMsz make_debug_O: cd . && make DEBUG=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.KpsvOj0KHD DESTDIR=/tmp/tmp.f2Yv9Lrorg make_no_libperl_O: cd . && make NO_LIBPERL=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.7tIufwAi4O DESTDIR=/tmp/tmp.vcBv7UYjuw make_no_libbionic_O: cd . && make NO_LIBBIONIC=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.HCJA7xCDxq DESTDIR=/tmp/tmp.us5CDSPqyO make_pure_O: cd . && make FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.eg2wCpydvg DESTDIR=/tmp/tmp.MmD1xESO2A make_doc_O: cd . && make doc FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.TqkyGrzRut DESTDIR=/tmp/tmp.ap34IVxoM9 make_no_scripts_O: cd . && make NO_LIBPYTHON=1 NO_LIBPERL=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.pRWHKzpPhv DESTDIR=/tmp/tmp.dUNhAp2rLt make_clean_all_O: cd . && make clean all FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.YnzNLLk9ID DESTDIR=/tmp/tmp.7kXr5obkmA make_no_libdw_dwarf_unwind_O: cd . && make NO_LIBDW_DWARF_UNWIND=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.GzZCxuYLwR DESTDIR=/tmp/tmp.n3YS9a9DcU make_help_O: cd . && make help FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.t7QwWVHsod DESTDIR=/tmp/tmp.NG5uSWCZzi make_no_auxtrace_O: cd . && make NO_AUXTRACE=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.wiDZkJzs8R DESTDIR=/tmp/tmp.ITtPlX0usX make_no_gtk2_O: cd . && make NO_GTK2=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.xd1x5QIckJ DESTDIR=/tmp/tmp.f6KzsHHkZH make_tags_O: cd . && make tags FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.e8oSaBuFUb DESTDIR=/tmp/tmp.4czd6ovlSB OK make: Leaving directory '/var/home/acme/git/perf/tools/perf' real 4m29.388s user 59m6.060s sys 12m19.581s ⬢[acme@toolbox perf]$ alias m='perf stat -e cycles:u,instructions:u make -k BUILD_BPF_SKEL=1 CORESIGHT=1 PYTHON=python3 O=/tmp/build/perf -C tools/perf install-bin && git status && perf test python' So 'perf test python' is done after every build, no problems with that as well. I'm now making it go thru the container builds. - Arnaldo